Very scarce. In this descriptive mineralogy, the first 20 pages provide an introduction to the science of mineralogy, while the remainder of the text describes the species. References are provided to the works of Kirwan, Bergman, Lehmann, Cronstedt, Wallerius, etc.

Rare. A monumental work on fossil fish, with finely engraved plates, dipicting 123 species. This is the first work to describe the specimens found at the famous locality of Monte Bolca near Verona, Italy.